package m3_publishsubscribe;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.UUID;

public class Consumer {
    public static void main(String[] args) throws Exception{
        ConnectionFactory f = new ConnectionFactory();
        f.setHost("192.168.64.140");
        f.setPort(5672);
        f.setUsername("admin");
        f.setPassword("admin");
        //f.setVirtualHost("/刘沛霞");
        Channel c = f.newConnection().createChannel();

        //1.定义队列
        //随机命名,非持久,独占,自动删除
        String queue = UUID.randomUUID().toString();
        c.queueDeclare(
                queue,
                false,
                true,
                true,
                null);
        //2.定义交换机
        c.exchangeDeclare("logs", BuiltinExchangeType.FANOUT);
        //3.绑定
        //第三个参数对fanout交换机无效
        c.queueBind(queue,"logs","");

        DeliverCallback deliverCallback = new DeliverCallback() {
            @Override
            public void handle(String consumerTag, Delivery message) throws IOException {
                String msg = new String(message.getBody());
                System.out.println("收到: "+msg);
            }
        };

        CancelCallback cancelCallback = new CancelCallback() {
            @Override
            public void handle(String consumerTag) throws IOException {
            }
        };

        //正常地消费数据
        c.basicConsume(
                queue,
                true,
                deliverCallback,
                cancelCallback);
    }
}
